Wristwatch



FIG. 1 is a perspective view of the front and right side of a wristwatch showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the rear and right side thereof.

The broken lines in the drawings are used to show portions of the wristwatch, including the band, watch movement, dial and hands, that do not form part of the claimed design. 

The ornamental design for a wristwatch, as shown and described. 